Fluid handling – Self-proportioning or correlating systems – Supply and exhaust type
Patent
1984-09-06
1985-12-24
Cohan, Alan
Fluid handling
Self-proportioning or correlating systems
Supply and exhaust type
137599, 137218, 4448, A47K 700
Patent
active
045599645
ABSTRACT:
A water flow control valve unit for a washing device of the private parts of a human body using a nozzle spouting water, in which several valves necessary for controlling the water flow to the nozzle are arranged unitedly as a single unit. The changeover valve in the unit has a plurality of longitudinal holes for passing through water and a diaphragm which opens only when water passes through the holes, whereby the water pressure given to the nozzle is maintained at a degree sufficient for washing the private parts of a human body.
REFERENCES:
patent: 1015653 (1912-01-01), Szczyglinski
patent: 3027907 (1962-04-01), Lee
patent: 4287618 (1981-09-01), Silver
Kawai Shinji
Yamaguchi Yuji
Aisin Seiki Kabushiki Kaisha
Cohan Alan
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